EcosimPro 3.0 was presented at the 30th International Conference on Environmental Systems (ICES) and 7th European Symposium on Space Environmental Control Systems. Engineers from ESA, Astrium, NASA, Boeing, Lockheed Martin, etc. attended this annual conference on environmental control engineering of the International Space Station. The first EcosimPro library (ECLSS) is purpose-built for this type of simulation.